-40+7n=8(n-5)-4

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Solution for -40+7n=8(n-5)-4 equation:



-40+7n=8(n-5)-4
We move all terms to the left:
-40+7n-(8(n-5)-4)=0
We calculate terms in parentheses: -(8(n-5)-4), so:
8(n-5)-4
We multiply parentheses
8n-40-4
We add all the numbers together, and all the variables
8n-44
Back to the equation:
-(8n-44)
We get rid of parentheses
7n-8n+44-40=0
We add all the numbers together, and all the variables
-1n+4=0
We move all terms containing n to the left, all other terms to the right
-n=-4
n=-4/-1
n=+4

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